Question

Q: A dimensionless quantity 1 Mark

Options

A) Never has a unit

B) Always has a unit

C) May have a unit

D) Does not exist


Q: A wire of resistance R is stretched which increases its length by 1%. Its new

resistance is = 2 Marks

Options

A) (1.01)2

R

B) 1.01R

C) R/1.01

D) R/(1.01)2

Answer 1

Ans 1) may have a unit
2) R/(1.01)2

Answer 2

Ans. a) may. have a unit

Ans b) 1/ 100 = 0.01

may it helps you dude